<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			.d1{
				width: 100px;
				height: 100px;
				background-color: pink;
				float: left;				
			}
			.d2{
				width: 100px;
				height: 100px;
				background-color: deeppink;
				position: relative;
			}
			.d3{
				width: 100px;
				height: 100px;
				background-color: yellow;
			}
		</style>
	</head>
	<body>
		<div class="d1">div1</div>
		<div class="d2">div2</div>
		<div class="d3"></div>
	</body>
</html>
